On the same system incidentally I've noticed the following regarding the .exe,
not related to the video issue;
- Ekiga can only be run once; subsequent relaunches result in the application
crashing on launch. To resolve this one has to delete the ekiga.conf file and
re-run the setup wizard (this is only good for one launch of Ekiga however)
- Ekiga will crash if the user attempts to enter the preferences menu while a
call is in progress.